regulator: max8952 - fix max8952_set_voltage

In current implementation, vid is declared as u8,
then "vid == -1" is always false, and "vid >= 0" is always true.
Thus change it to s8.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/regulator/max8952.c b/drivers/regulator/max8952.c
index 7d6aacf5c493..0d5dda4fd911 100644
--- a/drivers/regulator/max8952.c
+++ b/drivers/regulator/max8952.c
@@ -136,7 +136,7 @@ static int max8952_set_voltage(struct regulator_dev *rdev,
                                 int min_uV, int max_uV)
 {
         struct max8952_data *max8952 = rdev_get_drvdata(rdev);
-        u8 vid = -1, i;
+        s8 vid = -1, i;
 
         if (!gpio_is_valid(max8952->pdata->gpio_vid0) ||
                         !gpio_is_valid(max8952->pdata->gpio_vid0)) {